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Machine translation
1. (WO1997013733) LIGNIN-BASED CONCRETE ADMIXTURES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1997/013733    International Application No.:    PCT/US1995/013836
Publication Date: 17.04.1997 International Filing Date: 11.10.1995
Chapter 2 Demand Filed:    09.05.1997    
IPC:
C04B 24/18 (2006.01), C04B 28/02 (2006.01)
Applicants: ALCELL TECHNOLOGIES INC. [CA/CA]; 1250 Rene-Levesque Boulevard West, Montreal, Quebec H3B 4W8 (CA).
BREMNER, Theodore [CA/CA]; (CA).
ZHOR, Jiri [CZ/US]; (CA).
GOYAL, Gopal, C. [IN/US]; (US).
LORA, Jairo, H. [CO/US]; (US)
Inventors: BREMNER, Theodore; (CA).
ZHOR, Jiri; (CA).
GOYAL, Gopal, C.; (US).
LORA, Jairo, H.; (US)
Agent: HEIDELBERGER, Louis, M.; Reed Smith Shaw & McClay, 2500 One Liberty Place, 1650 Market Street, Philadelphia, PA 19103 (US)
Priority Data:
Title (EN) LIGNIN-BASED CONCRETE ADMIXTURES
(FR) MELANGES POUR BETONS A BASE DE LIGNINES
Abstract: front page image
(EN)The invention provides for an admixture for reducing the water content of a concrete mix. The admixture comprises an alkaline solution of a lignin in a sulfomethylolated form. The admixture further comprises an air detrainer. Also provided are novel cement compositions comprising the admixture of the invention.
(FR)Ce type de mélange permet de réduire la teneur en eau d'un mélange pour béton et comprend une solution alcaline d'une lignine sous forme sulfométhylolatée, ainsi qu'un agent d'élimination de l'air. On décrit aussi de nouvelles compositions de ciments contenant un tel mélange.
Designated States: CA, JP, KR, NO, US.
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)